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Alternator fuse

Hotscam

Well Known Member
Since a long time the 5A P lead fuse always pops after starting and doing the mag and prop checks.
When reset and during flight it never happens again but it worries me.

I tested the fuse stand-alone with an external current adjustable power suppjy which shows 5.3 A when it pops and seems normal.

I would think that when the battery voltage is somewhat low after starting and prop check load peaks the regulator tries to boost the voltage quickly peaking over 5 A.
Could this be normal and pops the fuse too quickly.

Any ideas ?
 
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